chore: 删除无用的项目配置和资源文件修改android key,修正godot4.3无法构建的问题

- 移除 .gitattributes 和 .gitignore 文件
- 删除 Asserts 目录下的棋盘和棋子基础资源文件

Scripts/Lib/gdws.cs

@@ -1,114 +0,0 @@
-using Godot;
-using Godot.Collections;
-
-public partial class EventDrivenWebSocket : WebSocketPeer {
-    public delegate void WebSocketEventHandler(string eventName, params object[] args);
-    public delegate void WSBinMsgEventHandler(byte[] args);
-    public delegate void WSMsgEventHandler(string args);
-
-    public event WebSocketEventHandler OnOpen;
-    public event WSBinMsgEventHandler OnMessage;
-    public event WSMsgEventHandler OnText;
-    public event WSBinMsgEventHandler OnBinary;
-    public event WebSocketEventHandler OnClose;
-    public event WebSocketEventHandler OnError;
-
-    private bool isConnected = false;
-    private bool isCloseEventFired = false;
-    private double connectingTime = double.NegativeInfinity;
-
-
-    public EventDrivenWebSocket() : base() {
-        isConnected = false;
-    }
-
-    public bool GetIsConnected() {
-        return isConnected;
-    }
-
-    public void PollEx(double delta) {
-        base.Poll();
-        CheckAndDispatchEvents(delta);
-    }
-
-    public void ConnectToUrlEx(string url, double delayTime = 3,
-        TlsOptions tlsClientOptions = null) {
-        if (connectingTime >= 0) {
-            return;
-        }
-        Error err = ConnectToUrl(url, tlsClientOptions);
-        if (err != Error.Ok) {
-            OnError?.Invoke("error", err);
-        }
-        connectingTime = delayTime;
-    }
-
-    protected void CheckAndDispatchEvents(double delta) {
-        var state = GetReadyState();
-        switch (state) {
-            case State.Open when !isConnected:
-                isConnected = true;
-                OnOpen?.Invoke("open", null);
-                break;
-            case State.Open:
-                while (GetAvailablePacketCount() > 0) {
-                    byte[] packet = GetPacket();
-                    OnMessage?.Invoke(packet);
-                    if (WasStringPacket()) {
-                        OnText?.Invoke(packet.GetStringFromUtf8());
-                    } else {
-                        OnBinary?.Invoke(packet);
-                    }
-                }
-                break;
-            case State.Closed:
-                connectingTime = double.NegativeInfinity;
-                OnClose?.Invoke("closed", GetCloseCode(), GetCloseReason());
-                isConnected = false;
-                break;
-            case State.Closing:
-                // OnClose?.Invoke("closing");
-                break;
-            case State.Connecting:
-                if (connectingTime >= 0) {
-                    connectingTime -= delta;
-                } else if (connectingTime != double.NegativeInfinity){
-                    connectingTime = double.NegativeInfinity;
-                    Close();
-                    OnError?.Invoke("connectTimeOut", Error.Timeout);
-                }
-                break;
-            default:
-                // 可以在这里处理其他状态或错误
-                OnError?.Invoke("error", "Unknown WebSocket state.");
-                break;
-        }
-    }
-
-
-    public void SendBinaryEx(byte[] data) {
-        SendEx(data);
-    }
-
-    public void SendJsonEx(Dictionary msg) {
-        SendTextEx(Json.Stringify(msg));
-    }
-
-    public Error SendTextEx(string message) {
-        if (isConnected) {
-            return SendText(message);
-        } else {
-            OnError?.Invoke("error", "Attempt to send on a closed connection.");
-            return Error.ConnectionError;
-        }
-    }
-
-    public Error SendEx(byte[] message, WriteMode writeMode = WriteMode.Binary) {
-        if (isConnected) {
-            return Send(message, writeMode);
-        } else {
-            OnError?.Invoke("error", "Attempt to send on a closed connection.");
-            return Error.ConnectionError;
-        }
-    }
-}